Home / 20,322.03-30,459.63-7,835.82

Finding the Fourth Proportional to 20,322.03, 30,459.63 and 7,835.82

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Solution

The fourth proportional to 20,322.03, 30,459.63 and 7,835.82 is: 11,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.03 : 30,459.63 = 7,835.82 : x
  2. Step 2: Convert to fraction form
    20,322.03/30,459.63 = 7,835.82/x
  3. Step 3: Cross multiply
    20,322.03x = 30,459.63 × 7,835.82
  4. Step 4: Simplify right side
    20,322.03x = 238,676,177.95
  5. Step 5: Solve for x
    x = 238,676,177.95/20,322.03
  6. Step 6: Final answer
    x = 11,744.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.